mediumLogic errorEVM-Solidity
Biconomy: Transaction can fail due to batchId collision
- Payout
- $0
- Protocol
- Biconomy
- Disclosed
- Mar 3, 2023
- Source
- code4rena
In Biconomy's SmartAccount contract, batchId 0 was hardcoded and reserved exclusively for validating nonces of Account Abstraction transactions routed through the ERC-4337 EntryPoint. However, the `execTransaction` function allowed callers to specify arbitrary …
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References
- https://github.com/code-423n4/2023-01-biconomy-findings/issues/246
- https://github.com/code-423n4/2023-01-biconomy-findings
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